Submission #573111

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
573111	2022-06-05T21:17:23 Z	colossal_pepe	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	101 ms	89344 KB

joi2019_ho_t1

#include <iostream>
#include <vector>
using namespace std;

using ll = long long;

int h, w;
vector<string> g;
vector<vector<ll>> a;

ll solve() {
    ll ans = 0;
    for (int i = 0; i < h; i++) {
        ll c = 0;
        for (int j = 0; j < w; j++) {
            if (g[i][j] == 'J') c += a[h - 1][j] - a[i][j];
            else if (g[i][j] == 'O') ans += c;
        }
    }
    return ans;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> h >> w;
    g.resize(h), a.resize(h, vector<ll>(w, 0));
    for (int i = 0; i < h; i++) {
        cin >> g[i];
        for (int j = 0; j < w; j++) {
            a[i][j] = (g[i][j] == 'I') + (i > 0 ? a[i - 1][j] : 0);
        }
    }
    cout << solve() << '\n';
    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	3 ms	2132 KB	Output is correct
15	Correct	1 ms	320 KB	Output is correct
16	Correct	2 ms	1492 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	3 ms	2764 KB	Output is correct
19	Correct	2 ms	2632 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	3 ms	2636 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	3 ms	2772 KB	Output is correct
25	Correct	2 ms	2640 KB	Output is correct
26	Correct	2 ms	2768 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	3 ms	2132 KB	Output is correct
15	Correct	1 ms	320 KB	Output is correct
16	Correct	2 ms	1492 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	3 ms	2764 KB	Output is correct
19	Correct	2 ms	2632 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	4 ms	2772 KB	Output is correct
22	Correct	3 ms	2636 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	3 ms	2772 KB	Output is correct
25	Correct	2 ms	2640 KB	Output is correct
26	Correct	2 ms	2768 KB	Output is correct
27	Correct	84 ms	84420 KB	Output is correct
28	Correct	1 ms	596 KB	Output is correct
29	Correct	6 ms	6740 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	63 ms	62164 KB	Output is correct
32	Correct	71 ms	88748 KB	Output is correct
33	Correct	64 ms	89160 KB	Output is correct
34	Correct	71 ms	71988 KB	Output is correct
35	Correct	65 ms	88852 KB	Output is correct
36	Correct	71 ms	89164 KB	Output is correct
37	Correct	101 ms	89344 KB	Output is correct
38	Correct	46 ms	61644 KB	Output is correct
39	Correct	45 ms	61940 KB	Output is correct